CN115232473A - Antibacterial and corrosion-resistant PPS composite material and preparation method thereof - Google Patents
Antibacterial and corrosion-resistant PPS composite material and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2286—Oxides; Hydroxides of metals of silver
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
The invention discloses an antibacterial corrosion-resistant PPS composite material and a preparation method thereof, wherein the PPS composite material is prepared from the following raw materials in percentage by weight: 2-4% of nano silicon dioxide, 3-6% of silver oxide, 2-6% of titanium boride, 1-2% of zinc oxide, 8-15% of glass fiber, 1-1.5% of N, N diethylaniline, 10-15% of polytetrafluoroethylene emulsion, 10-20% of water-based acrylic resin, 0.5-2% of coupling agent, 0.1-0.5% of antioxidant and the balance of PPS; according to the invention, through selection of raw materials and proportion, the prepared PPS composite material has excellent antibacterial and corrosion-resistant performances, and has a bacteriostasis rate of over 95% on staphylococcus aureus and escherichia coli.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to an antibacterial corrosion-resistant PPS composite material and a preparation method thereof.
Background
Polyphenylene sulfide is known as Polyphenylene sulfide, and english is known as Polyphenylene sulfide, PPS for short. The molecular structure of the PPS is simpler, the main chain of the molecule is formed by the alternate arrangement of benzene rings and sulfur atoms, a large number of benzene rings endow the PPS with rigidity, and a large number of thioether bonds also provide flexibility. It has the advantages of hardness, brittleness, high crystallinity, flame retardancy, good thermal stability, high mechanical strength, excellent electrical property and the like; in addition, based on the structural characteristics of PPS, the PPS also has the characteristics of high brittleness and corrosion resistance.
At present, the corrosion resistance and the antibacterial performance of PPS are poor, so that the application range of PPS is directly influenced, and therefore, how to provide the antibacterial and corrosion-resistant PPS composite material is particularly critical.
Disclosure of Invention
The invention aims to provide an antibacterial and corrosion-resistant PPS composite material and a preparation method thereof.
In order to achieve the above purpose of the present invention, the following technical solutions are adopted:
the invention provides an antibacterial corrosion-resistant PPS composite material, which is prepared from the following raw materials in percentage by weight:
2 to 4 percent of nano silicon dioxide, 3 to 6 percent of silver oxide, 2 to 6 percent of titanium boride, 1 to 2 percent of zinc oxide, 8 to 15 percent of glass fiber, 1 to 1.5 percent of N, N-diethylaniline, 10 to 15 percent of polytetrafluoroethylene emulsion, 10 to 20 percent of water-based acrylic resin, 0.5 to 2 percent of coupling agent, 0.1 to 0.5 percent of antioxidant and the balance of PPS.
Preferably, the antibacterial and corrosion-resistant PPS composite material is prepared from the following raw materials in percentage by weight:
2-3% of nano silicon dioxide, 4-6% of silver oxide, 4-6% of titanium boride, 1-2% of zinc oxide, 10-14% of glass fiber, 1-1.2% of N, N-diethylaniline, 12-15% of polytetrafluoroethylene emulsion, 12-18% of water-based acrylic resin, 1-2% of coupling agent, 0.2-0.5% of antioxidant and the balance of PPS.
Preferably, the antibacterial and corrosion-resistant PPS composite material is prepared from the following raw materials in percentage by weight:
3% of nano silicon dioxide, 5% of silver oxide, 5% of titanium boride, 1% of zinc oxide, 12% of glass fiber, 1% of N, N diethylaniline, 14% of polytetrafluoroethylene emulsion, 16% of water-based acrylic resin, 1.6% of coupling agent, 0.4% of antioxidant and the balance of PPS.
Preferably, the coupling agent is aminopropyltriethoxysilane.
Preferably, the antioxidant is antioxidant s-9228.
The invention provides a preparation method of the antibacterial and corrosion-resistant PPS composite material, which comprises the following steps:
(a) Adding polytetrafluoroethylene emulsion, N diethylaniline, water-based acrylic resin, a coupling agent and PPS into a high-speed mixer, and uniformly stirring;
(b) Adding nano silicon dioxide, titanium boride, zinc oxide, silver oxide and an antioxidant into a high-speed mixer, and continuously stirring at a high speed to obtain a mixed material;
(c) And (3) putting the mixed material into a double-screw extruder through a main feeding port and glass fiber through a side feeding port for melt extrusion, and then carrying out water cooling, air cooling and grain cutting to obtain the antibacterial and corrosion-resistant PPS composite material.
Preferably, in the step (a), the stirring time is 5-10 min, and the stirring speed is 350-450 r/min.
Preferably, in the step (b), the high-speed stirring is continued for 8 to 12min, and the stirring speed is 350 to 450r/min.
Preferably, the cylinder temperature of the double-screw extruder is 320-380 ℃, and the nozzle temperature is 350-360 ℃.
Compared with the prior art, the invention has the beneficial effects that at least:
according to the invention, through selection of raw materials and proportion, the prepared PPS composite material has excellent antibacterial and corrosion-resistant performances, and specifically, the antibacterial rate of Staphylococcus aureus and Escherichia coli reaches more than 95%; in the invention, the compatibility and compatibility of each raw material component can be improved by adding N, N diethylaniline, polytetrafluoroethylene emulsion and water-based acrylic resin into PPS, and the corrosion resistance, bacteriostasis and mechanical properties of the PPS composite material are effectively enhanced by adding different inorganic materials, so that the prepared PPS composite material has excellent bacteriostasis and corrosion resistance, and the application field of the PPS composite material is improved.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the following embodiments. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Example 1
1. Antibacterial and corrosion-resistant PPS composite material
The antibacterial and corrosion-resistant PPS composite material is prepared from the following raw materials in percentage by weight:
2% of nano silicon dioxide, 3% of silver oxide, 6% of titanium boride, 2% of zinc oxide, 8% of glass fiber, 1% of N, N diethylaniline, 15% of polytetrafluoroethylene emulsion, 10% of water-based acrylic resin, 2% of aminopropyltriethoxysilane, 0.1% of antioxidant s-9228 and the balance of PPS.
2. Preparation method
The preparation method of the antibacterial corrosion-resistant PPS composite material comprises the following steps:
(a) Adding the polytetrafluoroethylene emulsion, N diethylaniline, water-based acrylic resin, a coupling agent and PPS into a high-speed mixer, and stirring at 350r/min for 10min;
(b) Adding nano silicon dioxide, titanium boride, zinc oxide, silver oxide and an antioxidant into a high-speed mixer, and continuously stirring at 350r/min for 12min to obtain a mixed material;
(c) Putting the mixed material into a double-screw extruder through a main feeding port and glass fiber through a side feeding port for melt extrusion, wherein the temperature of a charging barrel of the double-screw extruder is 320 ℃, and the temperature of a nozzle of the double-screw extruder is 350 ℃; and then water cooling, air cooling and grain cutting are carried out to obtain the antibacterial and corrosion-resistant PPS composite material.
Example 2
1. Antibacterial and corrosion-resistant PPS composite material
The antibacterial and corrosion-resistant PPS composite material is prepared from the following raw materials in percentage by weight:
4% of nano silicon dioxide, 6% of silver oxide, 2% of titanium boride, 1% of zinc oxide, 15% of glass fiber, 1.5% of N, N diethylaniline, 10% of polytetrafluoroethylene emulsion, 20% of water-based acrylic resin, 0.5% of aminopropyltriethoxysilane, 0.5% of antioxidant s-9228 and the balance of PPS.
2. Preparation method
The preparation method of the antibacterial corrosion-resistant PPS composite material comprises the following steps:
(a) Adding the polytetrafluoroethylene emulsion, N diethylaniline, water-based acrylic resin, a coupling agent and PPS into a high-speed mixer, and stirring for 5min at a speed of 450 r/min;
(b) Adding nano silicon dioxide, titanium boride, zinc oxide, silver oxide and an antioxidant into a high-speed mixer, and continuously stirring for 8min at the speed of 450r/min to obtain a mixed material;
(c) Feeding the mixed material into a double-screw extruder through a main feeding port and feeding the glass fiber into a double-screw extruder through a side feeding port for melt extrusion, wherein the temperature of a charging barrel of the double-screw extruder is 380 ℃, and the temperature of a nozzle of the double-screw extruder is 360 ℃; and then water cooling, air cooling and grain cutting are carried out to obtain the antibacterial and corrosion-resistant PPS composite material.
Example 3
1. Antibacterial and corrosion-resistant PPS composite material
The antibacterial corrosion-resistant PPS composite material is prepared from the following raw materials in percentage by weight:
2% of nano silicon dioxide, 6% of silver oxide, 4% of titanium boride, 1% of zinc oxide, 14% of glass fiber, 1% of N, N diethylaniline, 15% of polytetrafluoroethylene emulsion, 12% of water-based acrylic resin, 2% of aminopropyltriethoxysilane, 0.2% of antioxidant s-9228 and the balance of PPS.
2. Preparation method
The preparation method of the antibacterial corrosion-resistant PPS composite material comprises the following steps:
(a) Adding polytetrafluoroethylene emulsion, N diethylaniline, water-based acrylic resin, a coupling agent and PPS into a high-speed mixer, and stirring for 8min at a speed of 400 r/min;
(b) Adding nano silicon dioxide, titanium boride, zinc oxide, silver oxide and an antioxidant into a high-speed mixer, and continuously stirring for 10min at the speed of 400r/min to obtain a mixed material;
(c) Putting the mixed material into a double-screw extruder through a main feeding port and glass fiber through a side feeding port for melt extrusion, wherein the temperature of a charging barrel of the double-screw extruder is 340 ℃, and the temperature of a nozzle of the double-screw extruder is 355 ℃; and then water cooling, air cooling and grain cutting are carried out to obtain the antibacterial and corrosion-resistant PPS composite material.
Example 4
1. Antibacterial and corrosion-resistant PPS composite material
The antibacterial and corrosion-resistant PPS composite material is prepared from the following raw materials in percentage by weight:
3% of nano silicon dioxide, 4% of silver oxide, 6% of titanium boride, 2% of zinc oxide, 10% of glass fiber, 1.2% of N, N diethylaniline, 12% of polytetrafluoroethylene emulsion, 18% of water-based acrylic resin, 1% of aminopropyltriethoxysilane, 0.5% of antioxidant s-9228, and the balance of PPS.
2. Preparation method
The preparation method of the antibacterial corrosion-resistant PPS composite material comprises the following steps:
(a) Adding polytetrafluoroethylene emulsion, N diethylaniline, water-based acrylic resin, a coupling agent and PPS into a high-speed mixer, and stirring for 8min at a speed of 400 r/min;
(b) Adding nano silicon dioxide, titanium boride, zinc oxide, silver oxide and an antioxidant into a high-speed mixer, and continuously stirring for 10min at the speed of 400r/min to obtain a mixed material;
(c) Putting the mixed material into a double-screw extruder through a main feeding port and glass fiber through a side feeding port for melt extrusion, wherein the temperature of a charging barrel of the double-screw extruder is 340 ℃, and the temperature of a nozzle of the double-screw extruder is 355 ℃; and then water cooling, air cooling and grain cutting are carried out to obtain the antibacterial and corrosion-resistant PPS composite material.
Example 5
1. Antibacterial and corrosion-resistant PPS composite material
The antibacterial corrosion-resistant PPS composite material is prepared from the following raw materials in percentage by weight:
3% of nano silicon dioxide, 5% of silver oxide, 5% of titanium boride, 1% of zinc oxide, 12% of glass fiber, 1% of N, N diethylaniline, 14% of polytetrafluoroethylene emulsion, 16% of water-based acrylic resin, 1.6% of aminopropyltriethoxysilane, 0.4% of antioxidant s-9228, and the balance of PPS.
2. Preparation method
The preparation method of the antibacterial corrosion-resistant PPS composite material comprises the following steps:
(a) Adding polytetrafluoroethylene emulsion, N diethylaniline, water-based acrylic resin, a coupling agent and PPS into a high-speed mixer, and stirring for 8min at a speed of 400 r/min;
(b) Adding nano silicon dioxide, titanium boride, zinc oxide, silver oxide and an antioxidant into a high-speed mixer, and continuously stirring at 400r/min for 10min to obtain a mixed material;
(c) Putting the mixed material into a double-screw extruder through a main feeding port and glass fiber through a side feeding port for melt extrusion, wherein the temperature of a charging barrel of the double-screw extruder is 340 ℃, and the temperature of a nozzle of the double-screw extruder is 355 ℃; and then water cooling, air cooling and grain cutting are carried out to obtain the antibacterial and corrosion-resistant PPS composite material.
Comparative example 1
1. Antibacterial and corrosion-resistant PPS composite material
The antibacterial corrosion-resistant PPS composite material is prepared from the following raw materials in percentage by weight:
3% of nano silicon dioxide, 5% of silver oxide, 5% of titanium boride, 1% of zinc oxide, 12% of glass fiber, 1% of N, N diethylaniline, 30% of polytetrafluoroethylene emulsion, 1.6% of aminopropyltriethoxysilane, 0.4% of antioxidant s-9228 and the balance of PPS.
2. Preparation method
The preparation method of the antibacterial corrosion-resistant PPS composite material comprises the following steps:
(a) Adding the polytetrafluoroethylene emulsion, N diethylaniline, a coupling agent and PPS into a high-speed mixer, and stirring for 8min at a speed of 400 r/min;
(b) Adding nano silicon dioxide, titanium boride, zinc oxide, silver oxide and an antioxidant into a high-speed mixer, and continuously stirring at 400r/min for 10min to obtain a mixed material;
(c) Putting the mixed material into a double-screw extruder through a main feeding port and glass fiber through a side feeding port for melt extrusion, wherein the temperature of a charging barrel of the double-screw extruder is 340 ℃, and the temperature of a nozzle of the double-screw extruder is 355 ℃; and then water cooling, air cooling and grain cutting are carried out to obtain the antibacterial and corrosion-resistant PPS composite material.
Comparative example 2
1. Antibacterial and corrosion-resistant PPS composite material
The antibacterial and corrosion-resistant PPS composite material is prepared from the following raw materials in percentage by weight:
3% of nano silicon dioxide, 5% of silver oxide, 5% of titanium boride, 1% of zinc oxide, 12% of glass fiber, 1% of N, N diethylaniline, 30% of water-based acrylic resin, 1.6% of aminopropyltriethoxysilane, 0.4% of antioxidant s-9228 and the balance of PPS.
2. Preparation method
The preparation method of the antibacterial corrosion-resistant PPS composite material comprises the following steps:
(a) Adding polytetrafluoroethylene emulsion, N diethylaniline, water-based acrylic resin, a coupling agent and PPS into a high-speed mixer, and stirring for 8min at a speed of 400 r/min;
(b) Adding nano silicon dioxide, titanium boride, zinc oxide, silver oxide and an antioxidant into a high-speed mixer, and continuously stirring for 10min at the speed of 400r/min to obtain a mixed material;
(c) Putting the mixed material into a double-screw extruder through a main feeding port and glass fiber through a side feeding port for melt extrusion, wherein the temperature of a charging barrel of the double-screw extruder is 340 ℃, and the temperature of a nozzle of the double-screw extruder is 355 ℃; and then water cooling, air cooling and grain cutting are carried out to obtain the antibacterial and corrosion-resistant PPS composite material.
Comparative example 3
1. Antibacterial and corrosion-resistant PPS composite material
The antibacterial and corrosion-resistant PPS composite material is prepared from the following raw materials in percentage by weight:
8% of nano silicon dioxide, 5% of silver oxide, 1% of zinc oxide, 12% of glass fiber, 1% of N, N diethylaniline, 14% of polytetrafluoroethylene emulsion, 16% of water-based acrylic resin, 1.6% of aminopropyltriethoxysilane, 0.4% of antioxidant s-9228 and the balance of PPS.
2. Preparation method
The preparation method of the antibacterial corrosion-resistant PPS composite material comprises the following steps:
(a) Adding the polytetrafluoroethylene emulsion, N diethylaniline, water-based acrylic resin, a coupling agent and PPS into a high-speed mixer, and stirring for 8min at a speed of 400 r/min;
(b) Adding nano silicon dioxide, zinc oxide, silver oxide and an antioxidant into a high-speed mixer, and continuously stirring for 10min at the speed of 400r/min to obtain a mixed material;
(c) Putting the mixed material into a double-screw extruder through a main feeding port and glass fiber through a side feeding port for melt extrusion, wherein the temperature of a charging barrel of the double-screw extruder is 340 ℃, and the temperature of a nozzle of the double-screw extruder is 355 ℃; and then water cooling, air cooling and grain cutting are carried out to obtain the antibacterial and corrosion-resistant PPS composite material.
Examples of the experiments
Respectively obtaining the PPS composite materials prepared in the example 5 and the comparative examples 1 to 3; then, the PPS composite material is made into a standard test sample strip through an injection molding machine, and the performance of the sample strip is detected;
placing a test sample strip in a mixture of PAG and HFC with the mass ratio of 1: 1, soaking for 120 days at constant temperature of 60 ℃, then observing whether swelling occurs or not, wherein the observation result is shown in table 1, then taking out and weighing, and determining the loss amount;
antibacterial experiments are carried out according to a test method of the antibacterial property of the surface of GB/T31402-2015 plastic-plastic, and experimental strains are staphylococcus aureus (ATCC 6538) and escherichia coli (8099); calculating the bacteriostasis rate, and the settlement result is shown in table 1;
TABLE 1
As can be seen from Table 1: the PPS composite material prepared by the embodiment of the invention has excellent corrosion resistance and bacteriostasis, and the corrosion resistance and the bacteriostasis are more obvious compared with the comparative proportion.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being covered by the appended claims and their equivalents.
Claims (9)
1. The antibacterial and corrosion-resistant PPS composite material is characterized by being prepared from the following raw materials in percentage by weight:
2 to 4 percent of nano silicon dioxide, 3 to 6 percent of silver oxide, 2 to 6 percent of titanium boride, 1 to 2 percent of zinc oxide, 8 to 15 percent of glass fiber, 1 to 1.5 percent of N, N-diethylaniline, 10 to 15 percent of polytetrafluoroethylene emulsion, 10 to 20 percent of water-based acrylic resin, 0.5 to 2 percent of coupling agent, 0.1 to 0.5 percent of antioxidant and the balance of PPS.
2. The antibacterial and corrosion-resistant PPS composite material as set forth in claim 1, which is prepared from the following raw materials in percentage by weight:
2-3% of nano silicon dioxide, 4-6% of silver oxide, 4-6% of titanium boride, 1-2% of zinc oxide, 10-14% of glass fiber, 1-1.2% of N, N-diethylaniline, 12-15% of polytetrafluoroethylene emulsion, 12-18% of water-based acrylic resin, 1-2% of coupling agent, 0.2-0.5% of antioxidant and the balance of PPS.
3. The antibacterial and corrosion-resistant PPS composite material as set forth in claim 1, which is prepared from the following raw materials in percentage by weight:
3% of nano silicon dioxide, 5% of silver oxide, 5% of titanium boride, 1% of zinc oxide, 12% of glass fiber, 1% of N, N diethylaniline, 14% of polytetrafluoroethylene emulsion, 16% of water-based acrylic resin, 1.6% of coupling agent, 0.4% of antioxidant and the balance of PPS.
4. The antibacterial corrosion-resistant PPS composite material as recited in claim 1, wherein said coupling agent is aminopropyltriethoxysilane.
5. The antibacterial corrosion-resistant PPS composite material as set forth in claim 1, wherein said antioxidant is antioxidant s-9228.
6. The method for preparing the antibacterial corrosion-resistant PPS composite material as set forth in any of the claims 1-5, characterized by comprising the steps of:
(a) Adding the polytetrafluoroethylene emulsion, N diethylaniline, the water-based acrylic resin, the coupling agent and the PPS into a high-speed mixer, and uniformly stirring;
(b) Adding nano silicon dioxide, titanium boride, zinc oxide, silver oxide and an antioxidant into a high-speed mixer, and continuously stirring at a high speed to obtain a mixed material;
(c) And (3) putting the mixed material into a double-screw extruder through a main feeding port and glass fiber through a side feeding port for melt extrusion, and then carrying out water cooling, air cooling and grain cutting to obtain the antibacterial and corrosion-resistant PPS composite material.
7. The method according to claim 6, wherein in the step (a), the stirring time is 5 to 10min, and the stirring speed is 350 to 450r/min.
8. The preparation method according to claim 6, wherein in the step (b), the high-speed stirring is continued for 8 to 12min, and the stirring speed is 350 to 450r/min.
9. The method of claim 6, wherein the twin-screw extruder has a barrel temperature of 320 to 380 ℃ and a nozzle temperature of 350 to 360 ℃.
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